(Click on the image to enlarge)

This was from SEGA's official American magazine. Most of the screenshots are from this version's first level, The screen showing the Hakuriu ninjitsu attack has ice crystals all over the screen, something which does not happen in the prototype. But aside from the pictures, the text mentions that the final boss being able to use the same magic attacks as you (he can't in the final) and a plot about Naoko being brainwashed -there is a woman stood next to Joe in the prototype's ending, so that must be her.

Thanks to Magic Island for this scan.